79921114 has 48 divisors (see below), whose sum is σ = 157163328. Its totient is φ = 29742336.

The previous prime is 79921111. The next prime is 79921117. The reversal of 79921114 is 41112997.

79921114 = T₃₅₀₀ + T₃₅₀₁ + ... + T₃₅₁₂.

It is an interprime number because it is at equal distance from previous prime (79921111) and next prime (79921117).

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a self number, because there is not a number n which added to its sum of digits gives 79921114.

It is not an unprimeable number, because it can be changed into a prime (79921111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39229 + ... + 41215.

It is an arithmetic number, because the mean of its divisors is an integer number (3274236).

Almost surely, 2^79921114 is an apocalyptic number.

79921114 is a deficient number, since it is larger than the sum of its proper divisors (77242214).

79921114 is a wasteful number, since it uses less digits than its factorization.

79921114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2039 (or 2026 counting only the distinct ones).

The product of its digits is 4536, while the sum is 34.

The square root of 79921114 is about 8939.8609608875. The cubic root of 79921114 is about 430.7452624828.

The spelling of 79921114 in words is "seventy-nine million, nine hundred twenty-one thousand, one hundred fourteen".